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Individual Calculations April 2023 |
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| Hartley, James Total change: 126.00 | |   |
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| 2023 MCC Championship Rounds 4-7 | Melbourne | AUS | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1757 | 3.00 | 4 | 1.30 | 40 | 52.00 | |
|  Kolak, Tanya | | | 1377 | AUS | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Lacey, Dave | | | 1901 | AUS | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Stojic, Svetozar | | | 1971 | AUS | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Li, Jackie | | | 1954 | AUS | 0.50 | 1 | 0.25 | 40 | 10.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2023 Chess Artists Club Championship Rounds 5-7 | Melbourne | AUS | 2023-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1785 | 1825 | 3.00 | 3 | 1.31 | 40 | 52.40 | |
| | Leontyev, Leon | | | 1634 | AUS | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Chmiel, Rad | | | 1581 | AUS | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Juri, Daniel | | | 2139 | SUI | 1.00 | 1 | 0.86 | 40 | 34.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2023 Ballarat Begonia Open | Ballarat | AUS | 2023-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1825 | 4.00 | 7 | 0.54 | 40 | 21.60 | |
| | Ritter, Theo | | | 1555 | AUS | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Cannon, David | f | | 2053 | AUS | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Brotheridge, Jamie | | | 1499 | AUS | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Broome, Tim | | | 2117 | AUS | 1.00 | 1 | 0.85 | 40 | 34.00 | | | O`carroll, Jeremy | | | 2010 | AUS | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Kolak, Chris | | | 1941 | AUS | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Chmiel, Rad | | | 1581 | AUS | 0.50 | 1 | -0.30 | 40 | -12.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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